File: loop-mssa-not-preserved.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (17 lines) | stat: -rw-r--r-- 401 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
; RUN: not --crash opt -passes='loop-mssa(loop-unroll-full)' 2>&1 < %s | FileCheck %s

; CHECK: LLVM ERROR: Loop pass manager using MemorySSA contains a pass that does not preserve MemorySSA

define void @test() {
entry:
  br label %loop

loop:
  %i = phi i32 [ 0, %entry ], [ %i.inc, %loop ]
  %i.inc = add i32 %i, 1
  %c = icmp ult i32 %i, 8
  br i1 %c, label %loop, label %exit

exit:
  ret void
}